222681456 has 30 divisors (see below), whose sum is σ = 623199200. Its totient is φ = 74227104.

The previous prime is 222681449. The next prime is 222681479. The reversal of 222681456 is 654186222.

It is a happy number.

222681456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 222681456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 773056 + ... + 773343.

Almost surely, 2^222681456 is an apocalyptic number.

It is an amenable number.

222681456 is an abundant number, since it is smaller than the sum of its proper divisors (400517744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222681456 is a wasteful number, since it uses less digits than its factorization.

222681456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546413 (or 1546404 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 222681456 is about 14922.5150695183. The cubic root of 222681456 is about 606.1238187670.

The spelling of 222681456 in words is "two hundred twenty-two million, six hundred eighty-one thousand, four hundred fifty-six".